(async function(){
        /**
        * 显示钱包余额
        */
        if (!checkConnect()) return;
        setLoading(1);
        var balanceOf = await DAIbalance();
        setNodeText("dai",format(balanceOf));
        balanceOf = await HANbalance();
        setNodeText("han",format(balanceOf));
        balanceOf = await NFTbalance();
        setNodeText("nft",balanceOf.toNumber());
        balanceOf = await MATICbalance();
        setNodeText("matic",format(balanceOf));
        setLoading(0);
})();